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I have a PDF file located on a hard drive. On that same hard drive is the original using a different name. There are thousands of files on the hard drive. Can I find out what and where the original is that created the pdf?

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Do you know what application the source document is written in, and which application was used to create the PDF? –  dsolimano Oct 19 '12 at 19:04
    
Windows? Linux? Mac? –  Isaac Rabinovitch Oct 19 '12 at 19:08
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If the files are exact duplicates, any duplicate file finder will do. Otherwise you need to answer the queries posted above. –  Karan Oct 20 '12 at 21:23
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Open the PDF with Acrobat, and pick File->Preferences. Information about the original file may be in a few places.

Many programs that output PDF will put the filename in the Title field. Information about the creator of the file can be found in the PDF Producer field.

Screenshot of Adobe Acrobat Document Property Window with highlights calling out the Title and PDF Producer Fields.

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